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777dan777 [17]
2 years ago
10

PLEASE HELP!! WORTH A TOTAL OF 100 POINTS!!

Physics
1 answer:
Serjik [45]2 years ago
4 0

The last equation gives you the tension in the string on the right:

T_2 = 2Mg - 2Ma = 2M (g-a) = \boxed{33.2 \, \mathrm N}

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Q|C A bat, moving at 5.00 m/s , is chasing a flying insect. If the bat emits a 40.0 -kHz chirp and receives back an echo at 40.4
podryga [215]

The speed of the insect is 3.03m/s.

<h3>What is speed?</h3>

The speed of an object, also known as v in kinematics, is a scalar quantity that refers to the size of the change in that object's position over time or the size of the change in that object's position per unit of time. The instantaneous speed is the upper limit of the average speed as the duration of the time interval gets closer to zero. The average speed of an object over a period of time is calculated by dividing its distance traveled by the length of the interval. Distance divided by time is the dimension of speed.

Explanation:

The frequency that is received by the source after the reflection is given by,

f_{1} =f_{0} (\frac{V-v}{V-V_{b} } )(\frac{V+v_{b} }{V+v} )

40.4=40 (\frac{343-v}{343-5} ) x (\frac{343+5}{343+v} )\\

v=3.03 m/s

To learn more about speed ,visit:

brainly.com/question/6280317

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2 years ago
Can someone help me due at 1:00 PM plus 100 points <br><br>questions B,C,D
vagabundo [1.1K]
<h3>b. ML </h3><h3>c. M</h3><h3>d. Kg</h3>

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Jlenok [28]

Answer:

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Explanation:

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Input force for every machine should be lesser than the output force. The output force is the resulting force which produces work.

The force produced by any machine is a function of the input force and the design of the machine.

Any force applied to a machine is the input force.

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Valcanos can have effect on the
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When volcanoes erupt, they emit a mixture of gases and particles into the air. Some of them, such as ash and sulphur dioxide, have a cooling effect, because they (or the substances they cause) reflect sunlight away from the earth. Others, such as CO2, cause warming by adding to the the greenhouse effect.

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